Homework 6

task_1.py

@@ -0,0 +1,43 @@
+
+import time
+from itertools import cycle
+
+class TrafficLight:
+    __modes = (('red', 7), ('yellow', 2), ('green', 5), ('yellow', 2))
+    __light_start = 0
+    __next_light = 0
+
+    def __init__(self):
+        self.__color = self.__modes[0][0]
+        self.__tic()
+
+    def running(self):
+
+        prew_color = None
+        while True:
+            self.__tic()
+            if prew_color != self.__color:
+                prew_color = self.__color
+                print(self.__color)
+
+    def __tic(self):
+
+        if self.__light_start + dict(self.__modes)[self.__color] <= time.time():
+            self.__color, self.__light_start = self.__modes[self.__next_light][0], time.time()
+            self.__next_light = self.__next_light + 1 if len(self.__modes) > self.__next_light + 1 else 0
+
+    def color(self):
+        self.__tic()
+        return self.__color
+
+
+if __name__ == '__main__':
+    lighter = TrafficLight()
+    time.sleep(0.5)
+    lighter2 = TrafficLight()
+    time.sleep(0.5)
+    lighter3 = TrafficLight()
+    time.sleep(0.5)
+    for light in cycle((lighter, lighter2, lighter3)):
+        print(light.color())
+        time.sleep(1)

task_2.py

@@ -0,0 +1,14 @@
+
+class Road:
+    __asphalt_mass = 25
+
+    def __init__(self, length, width):
+        self._length = float(length)
+        self._width = float(width)
+
+    def asphalt_sum(self, thickness=1):
+        return self._length * self._width * self.__asphalt_mass * thickness
+
+road = Road(20, 5000)
+calculation = road.asphalt_sum(5)
+print(calculation)

task_3.py

@@ -0,0 +1,22 @@
+
+class Worker:
+    name: str
+    surname: str
+    position: str
+    _income: dict
+
+    def __init__(self, name, surname, position, wage, bonus):
+        self.name = name
+        self.surname = surname
+        self.position = position
+        self._income = {'wage': wage, 'bonus': bonus}
+
+class Position(Worker):
+    def get_full_name(self):
+        return f'{self.name} {self.surname}'
+
+    def get_total_income(self):
+        return sum(self._income.values())
+
+first_person = Position ( 'Анатолий', 'Иванов','Менеджер', 12000, 1000)
+print(first_person.get_full_name(), first_person.get_total_income())